3. Let A= 2 3 5 4 a. Find A using the formula for the inverse of a 2x2 matrix. b. Write the following system of equations as a matrix equation of the form AX=B. Then solve the system using A-¹. 2x+3y=-9 5x+4y=-5

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A:

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A: We can solve it for the value of the variables as below

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A: Let's find.

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